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Improved hybrid node localization using the wild horse optimization in the underwater environment

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Abstract

This paper introduces an improved DV-hop-based localization technique to solve the link failure problem without using extra hardware during the continuous localization process because of the uncertainty of the underwater channel, limited energy resources, and technical glitches. On the other hand, low accuracy and poor stability are the main problems of the traditional DV-hop technique. This paper also introduces a hybrid TDoA-DV hop algorithm to overcome these problems and evaluate the position of the target nodes. In this algorithm, the average hop distance is replaced with improved hop distance to suppress the hop distance error, and the Wild Horse Optimization (WHO) algorithm is used for position estimation to find out the best and fast optimum location of the target node and achieve better accuracy and stability. The experimental result of the proposed work is compared to existing works, including the traditional DV-hop, improved DV-hop, and improved shortest path +PSO. The simulation result shows that the proposed method improves the average accuracy by 67.9%, 56.24%, and 3.6%, and stability by 61.9%, 45.9%, and 5.15% approximately. The recommended technique is useful for localization in any static ad-hoc wireless or underwater sensor network due to its better accuracy and stability.

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Abbreviations

\(\tau_{n}\) :

Transit time difference between the source and microphone

v:

Speed of sound

\(d_{n}\) :

Distance between the source and n microphone

\(D_{n}\) :

Distance between two different sensor nodes

\(HopSize_{m}\) :

Average distance per hop

\(hop\_count_{u,m}\) :

Hop count between anchor m and target node u

p:

Population

M:

Total population

g:

Number of groups

\(P_{s}\) :

Percentage of the stallion

\(Y_{i,g}^{t}\) :

The current location of the group member

\(St^{t}\) :

The location of a stallion (leader)

\(\overline{Y}_{i,g}^{t}\) :

The new position of the group during grazing

\(\vec{r}_{1} ,\vec{r}_{3}\) :

Random vector

\(i_{t\max }\) :

Maximum iteration

\( S\overline{t}_{gi} ,St_{gi}\) :

The next and current position of ith leader

\(Hp^{eff}\) :

The adequate avg hop size of p anchor node

\(Avg\_Hp_{p}^{error}\) :

The improvement factor

\(I\) :

Identity matrix

\(C_{r + 1}\) :

Scaling factor

\(\phi_{r}\) :

Error factor

β:

Large positive integer

\(R_{p,q}^{TDoA}\) :

Distance using the TDoA

\(P_{c}\) :

Crossover percentage

\(P_{s}\) :

Stallions percentage

f:

Fitness function

\(W_{h}\) :

The position of the water hole

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Acknowledgements

This research was supported by the Ministry of Electronics and Information Technology, Govt. of India, Grant No. 13(29)/2020-CC&BT.

Funding

The authors did not receive any support from any organization for this work.

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Correspondence to Souvik Saha.

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This research did not involve any human participants and/or animals, living or dead, in any form whatsoever.

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Saha, S., Arya, R. Improved hybrid node localization using the wild horse optimization in the underwater environment. Int J Syst Assur Eng Manag 14 (Suppl 3), 865–885 (2023). https://doi.org/10.1007/s13198-021-01388-1

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  • DOI: https://doi.org/10.1007/s13198-021-01388-1

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